Alpine valleys are low-lying areas found in mountainous regions, typically formed by glacial activity. These valleys are characterized by steep sides and a flat bottom, often featuring lush vegetation and diverse wildlife. The cool climate and high elevation contribute to unique ecosystems that support various plant and animal species. Many alpine valleys are popular destinations for outdoor activities such as hiking, skiing, and mountain biking. They often serve as important water sources, with rivers and streams flowing through them. Notable examples of alpine valleys include the Yosemite Valley in California and the Zermatt Valley in Switzerland.